Description
The PWS AR-15 MK114 MOD 1-M Long Stroke Gas Piston Upper Receiver Assembly utilizes the PWS Long Stroke Piston System with a 3 setting Adjustable Gas Regulator. MK114 MOD 1-M Upper Receivers are extruded T6 7075 Forged Aluminum with an anodized finish. Features Radian Raptor Ambidextrous Charging Handle 3 setting Adjustable Gas Regulator M-Lok 13.624 ” Handguard
